2256880451 has 32 divisors (see below), whose sum is σ = 2776854528. Its totient is φ = 1792454400.

The previous prime is 2256880447. The next prime is 2256880459. The reversal of 2256880451 is 1540886522.

It is a happy number.

It is not a de Polignac number, because 2256880451 - 2² = 2256880447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2256880399 and 2256880408.

It is not an unprimeable number, because it can be changed into a prime (2256880459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 762791 + ... + 765743.

It is an arithmetic number, because the mean of its divisors is an integer number (86776704).

Almost surely, 2^2256880451 is an apocalyptic number.

2256880451 is a deficient number, since it is larger than the sum of its proper divisors (519974077).

2256880451 is a wasteful number, since it uses less digits than its factorization.

2256880451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131.

The product of its (nonzero) digits is 153600, while the sum is 41.

The square root of 2256880451 is about 47506.6358627929. The cubic root of 2256880451 is about 1311.7050329223.

The spelling of 2256880451 in words is "two billion, two hundred fifty-six million, eight hundred eighty thousand, four hundred fifty-one".